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Improving the Reliability of Unmanned Aircraft System Wireless Communications through Cognitive Radio Technology  [PDF]
Hector Reyes, Naima Kaabouch
Communications and Network (CN) , 2013, DOI: 10.4236/cn.2013.53027
Abstract:

Unmanned Aircraft System networks are a special type of networks where high speeds of the nodes, long distances and radio spectrum scarcity pose a number of challenges. In these networks, the strength of the transmitted/received signals varies due to jamming, multipath propagation, and the changing distance among nodes. High speeds cause another problem, Doppler Effect, which produces a shifting of the central frequency of the signal at the receiver. In this paper we discuss a modular system based on cognitive to enhance the reliability of UAS networks.

?La voz del Amado1?: Palabras de promesa y realidad del entendimiento en el Com Cant de Gregorio de Nisa
Reyes,Eva;
Teología y vida , 2011, DOI: 10.4067/S0049-34492011000100008
Abstract: this article aims to understand the relationship between reason and revelation in in cant. by gregory of nyssa. the subject basically pertains to theological anthropology, since, faced with finite man's difficulty in aspiring to the infinite, the experience of grace becomes clear: without discrediting human effort or reason, the nyssian asserts that it is only known through love; god is recognized as always greater, and reason within its own limits.
La analogía como estrategia para desarrollar el pensamiento
Reyes,Katiuska;
EPISTEME , 2007,
Abstract: the necessity of motivating or stimulating the thinking capabilities of our students has been frequently emphasized; in fact, this has even been suggested in a variety of bibliographical sources. however, it is necessary to think over the importance that such thinking capabilities have, as well as the different alternatives that can be generated to promote them in students. in this respect, the analogical process is proposed as one of the many effective activities to achieve this goal.
Las Cuatro Dimensiones de la Comunicación Interna
Reyes,Julio;
Cuadernos del Centro de Estudios en Dise?±o y Comunicaci?3n. Ensayos , 2012,
Abstract: : global communications consultants interest in internal communications has dramatically increased in the past few years, due to the impact that they have in four great scopes of the organizational management. it exists a wide consensus on the role of the internal communications to align to the members of an organization. this implies, to orient them on which behaviors are necessary to make real the strategic goals of the organization; and, at the same time, to fortify those behaviors that constitute the identity and shaped the corporate values. the article focuses also on the importance of having colleagues who not only know, but also value the organization offers that aim to retain and get them motivated. finally, every day is more evident and relevant than an organization ties with its environment and makes their colleagues become contributors of its corporate responsibility.
An ecological perspective on minority and majority language and literacy communities in the Americas
Reyes,Iliana;
Colombian Applied Linguistics Journal , 2009,
Abstract: in this paper i discuss current sociolinguistic situations in linguistically diverse communities in the americas, thereby contributing toward the development of a theoretical model that focuses on the ecology of emergent bilingualism and biliteracy for both language-minority and language-majority children. i analyze different examples in which children's participation during family literacy events mediate the learning of the second language and their construction of meaning from print they encounter in their bilingual surroundings. the review points to the potential to develop bilingualism and biliteracy that might exist within each child's immediate environment and are enhanced when community members (e.g., parents, peers, schoolteachers, neighbors) provide direct scaffolding during child-adult interactions. the studies are discussed within an eco-sociocultural framework making pedagogical connections and recommendation to the optimal development of bilingualism and biliteracy.
LOS DERECHOS DE LA PERSONA CON TRASTORNO MENTAL EN EL áMBITO CLíNICO
Reyes,Hugo;
Revista Colombiana de Psiquiatría , 2003,
Abstract: the article presents a clinical case in order to illustrate the difficulties that psychiatrists face in their professional practice, such as informed consent, free election of treatment by the patients, and the capacity of intervention through the establishment of a doctor-patient relationship. along the presentation, other situations are explored in relation to the therapeutic possibilities framed in the law 100. the need for a reference point of our work as psychiatrists is proposed as a conclusion, especially with regard to our patient's rights, the establishment of a good doctor-patient relationship, and an urgent need to discuss the possibilities of comprehension of the patients' reality from a functional point of view rather than a strictly medical perspective.
La implantación del Sistema Penal acusatorio en Colombia: un estudio multidisciplinario
Reyes,Alfonso;
Revista de Ingeniería , 2005,
Abstract: on december 19th 2002 the accusatory system was formally introduced in the colombian constitution. this is, perhaps, the most complex change that our judicial system has undergone in the last decade. the implementation of the new criminal system implied a profound change in several institutions: a) the criminal courts, b) the general prosecution office; c) the national defense office; and d) all other state agencies that support criminal investigations. in order to design this transition the comisión interinstitucional para la implantación del sistema penal acusatorio (a governmental commission responsible for the implementation of the accusatory system) open up a bidding. uniandes in a temporal union with the instituto ser de investigación, won this call for tenders. this paper briefly describes the way this multidisciplinary effort was done under the direction of the industrial engineering department.
Presentació de la taula rodona La biblioteca pública, avui
Reyes, Lourdes
BiD : Textos Universitaris de Biblioteconomia i Documentació , 2000,
Abstract: Discurs de presentació de la taula rodona La biblioteca pública, avui , inclosa dins Primera Trobada Anual de la Facultat de Biblioteconomia i Documentació celebrada l'any 1999. Els partipants d'aquesta taula rodona foren Assumpta Bailac (cap del Servei de Biblioteques de la Diputació de Barcelona), Josep M. Busquets (usuari de la biblioteca pública de Can Casacuberta de Badalona), Carme Simon (directora de la biblioteca pública Marià Vayreda d'Olot) i Carme Mayol (presidenta del Col·legi de Bibliotecaris-Documentalistes de Catalunya).
LOS DERECHOS DE LA PERSONA CON TRASTORNO MENTAL EN EL áMBITO CLíNICO The Mental Disorder Patient's Rights in the Hospital's Enviroment
Hugo Reyes
Revista Colombiana de Psiquiatría , 2003,
Abstract: Este artículo parte de la presentación de un caso clínico, que ilustra las dificultades a las que se enfrentan los psiquiatras en el ejercicio de la profesión, ante situaciones como el consentimiento informado, la libre elección del tratamiento por parte de los pacientes y la capacidad de intervención a través de la relación médico-paciente. A lo largo de esta exposición se tocan situaciones asociadas con las posibilidades terapéuticas dentro del marco de la Ley 100 de 1993, y se concluye haciendo hincapié en la necesidad de tener como marco de referencia, en nuestro quehacer como psiquiatras, los derechos de los pacientes, el establecimiento de una buena relación médico-paciente y la urgente necesidad de replantear las posibilidades de comprensión de la realidad de los individuos, más desde su capacidad funcional, y no desde la perspectiva estrictamente médica. The article presents a clinical case in order to illustrate the difficulties that psychiatrists face in their professional practice, such as informed consent, free election of treatment by the patients, and the capacity of intervention through the establishment of a doctor-patient relationship. Along the presentation, other situations are explored in relation to the therapeutic possibilities framed in the Law 100. The need for a reference point of our work as psychiatrists is proposed as a conclusion, especially with regard to our patient's rights, the establishment of a good doctor-patient relationship, and an urgent need to discuss the possibilities of comprehension of the patients' reality from a functional point of view rather than a strictly medical perspective.
Patriotismo y precensura, características del periodismo norteamericano después del 11-S
Gerardo Reyes
Palabra Clave , 2001,
Abstract: A medida que se conocían los responsables de los ataques a las Torres Gemelas y al Pentágono, y que Estados Unidos, realmente triste y rabioso se envolvía en banderas, los periodistas terminaron contagiados por la indignación y la intolerancia hacia los culpables que cambiaron brutalmente la historia de su paraíso y empezaron a dar muestras de desesperación y falta de independencia. Un análisis de la ética en tiempos de conflicto, deja claro que la pregunta Cómo debemos manejar el terrorismo en los medios de comunicación? queda aún sin respuesta.
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